Function getCustomerId

apps/sim/lib/billing/stripe-payment-method.ts:22–27

(
  customer: string | Stripe.Customer | Stripe.DeletedCustomer | null | undefined
)

 * `customer` field (id string, full `Customer`, or `DeletedCustomer`).
 */
export function getCustomerId(
  customer: string | Stripe.Customer | Stripe.DeletedCustomer | null | undefined
): string | undefined {
  if (!customer) return undefined
  return typeof customer === 'string' ? customer : customer.id
}

/**
 * Resolve a subscription's default payment method with fallback to the